Double ball locks on doors and screens. Angle frame provides for an easy installation. 5 millimeter thick European tempered glass. Lifetime manufacturer warranty on all glass. Rigid wrought iron angle and bar fabrication ensures perfect door alignment. Hidden damper enhances appearance. 100 percent welded construction on frame and doors. Doors open 180 degrees for easy access. Measures 43.5W x 30H inches. Will fit width of 40.25 to 43 inches. Will fit height of 28.375 to 29.75 inches